1.59375

Phenol red

pH indicator, Reag. Ph Eur

• Sinonimo/i: Phenol red
• Formula condensata: (C₆H₄OH)₂C₇H₄SO₃
• Numero CAS: 143-74-8
• Peso molecolare: 354.38
• Numero MDL: MFCD00003552
• Codice UNSPSC: 12171502
• Numero indice EU: 205-609-7
• NACRES: NA.21

Proprietà

• Nome del prodotto: Phenol red, (phenolsulfonphthalein) Reag. Ph Eur
• agenzia: reag. Ph. Eur.
• Livello qualitativo: 200
• Saggio: 98.0-102.0% (bromatometric, calculated on dried substance)
• Stato: solid
• Perdita: ≤1.0% loss on drying, 105°C
• Punto di fusione: >300 °C
• Densità bulk: 200‑300 kg/m³
• Temperatura di conservazione: no temp limit
• Stringa SMILE: [S]1(=O)(=O)OC(c4c1cccc4)(c3ccc(cc3)O)c2ccc(cc2)O
• InChI: 1S/C19H14O5S/c20-15-9-5-13(6-10-15)19(14-7-11-16(21)12-8-14)17-3-1-2-4-18(17)25(22,23)24-19/h1-12,20-21H; BELBBZDIHDAJOR-UHFFFAOYSA-N

Descrizione

Applicazioni

• Antitussive, Expectorant and Antipyretic Effect of the Ethanolic Extract of the Leaves of Momordica charantia L.: This study investigates the application of phenol red in assessing the bioactivities of plant extracts, demonstrating the versatility of phenol red in chemical assays (Ribeiro et al., 2024).
• Chemical Analysis by LC-MS of Cannabis sativa Root Samples from Northeast Brazil and Evaluation of Antitussive and Expectorant Activities.: Phenol red was used as part of the LC-MS methodology to analyze plant roots, highlighting its role in modern analytical techniques (Menezes et al., 2022).
• Quantifying Sample Collection and Processing Impacts on Fiber-Based Tear Fluid Chemical Analysis.: Phenol red is utilized to quantify changes in tear fluid composition, underscoring its importance in clinical chemical analysis (Barmada & Shippy, 2020).
• The In Vitro Activity of Essential Oils against Helicobacter Pylori Growth and Urease Activity.: This research uses phenol red in enzyme inhibition studies, contributing to the understanding of antimicrobial properties of essential oils (Korona-Glowniak et al., 2020).

Risultati analitici

Assay (bromatometric, calculated on dried substance): 98.0 - 102.0 %
Identity (UV/VIS-Spectrum): passes test
Identity (Color transition): passes test
Identity (Bromination): passes test
Insoluble substances: ≤ 0.5
Sulfated ash: ≤ 0.2
Loss on Drying (105°C): ≤ 1.0

Informazioni sulla sicurezza

• Pittogrammi: GHS07
• Avvertenze: Warning
• Indicazioni di pericolo: H315,H335
• Consigli di prudenza: P261 - P264 - P271 - P280 - P302 + P352 - P304 + P340 + P312
• Classi di pericolo: Skin Irrit. 2 - STOT SE 3
• Organi bersaglio: Respiratory system
• Codice della classe di stoccaggio: 11 - Combustible Solids
• Classe di pericolosità dell'acqua (WGK): WGK 3
• Punto d’infiammabilità (°F): Not applicable
• Punto d’infiammabilità (°C): Not applicable